JP2591382B2 - Hose manufacturing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intermediate metal fitting fixed to the outer periphery of a hose as a locking member for connecting a hose, and the relative position of the engaging portion of each intermediate metal fitting is determined by using a specific jig. The present invention relates to a method for manufacturing a hose which is attached so as to have a predetermined angle around an axis.

[0002]

2. Description of the Related Art Conventionally, for example, when a brake hose of an automobile is routed and fixed to a vehicle body, a plurality of intermediate fittings are fixed to the outer periphery of the brake hose, and this intermediate fitting is mounted on a bracket having one end fixed to the vehicle body. By mounting
A method of fixing the brake hose along the inner surface of the vehicle body has been adopted.

[0003] Among the above-mentioned intermediate metal fittings, there are those having a side view in FIG. 12 and a perspective view in FIG. This intermediate fitting 10 has a tubular sleep 2 through which the hose 1 is inserted,
And a plate-shaped engaging portion 4 having a through hole 6 projecting radially from one end of the sleeve 2. One end of a flat bracket 5 is fixed to a vehicle body (not shown), and the bracket 5 is formed with an insertion hole 6 and a groove 7 cut from a tip end side.

The intermediate fitting 10 is fixed to the outer periphery of the hose 1 by radially compressing the sleeve 2 by caulking. Then, the sleeve 2 is fitted into the groove 7 of the bracket 5, the insertion hole 3 of the engaging portion 4 is overlapped with the insertion hole 6 of the sleeve 5, the bolt 8 is inserted through the insertion holes 3, 6, and the nut 9 is screwed. To conclude. Thereby, the intermediate fitting 10 is fixed to the bracket 5, and the hose 1 is supported on the vehicle body via the intermediate fitting 10.

[0005]

When a plurality of intermediate fittings 10 are attached to the hose 1 as described above, as shown in FIG. 13, the relative positions of the engaging portions 4 of the two adjacent intermediate fittings 10 are changed. As shown in FIG. 14, the same direction may be set around the axis of the hose 1 (this is a relative angle of 0 °).
The relative positions of the engaging portions 4 of the two adjacent intermediate fittings 10 are set in opposite directions with respect to the circumference of the axis of the hose 1 (the relative angle 180 degrees).
°)), two adjacent metal fittings 10 may be attached at a fixed relative angle.

However, conventionally, when the intermediate fitting 10 was attached to the hose 1, there was no appropriate jig.
At the time of caulking the sleeve 2 of the intermediate metal fitting 10, a method has been used in which an operator visually determines the relative angle. For this reason, it is difficult to accurately determine the relative angle between two adjacent intermediate metal fittings 10, and it is difficult to reduce the operation time for determining the relative angle. If the relative angle is incorrect, the insertion holes 3 and 6 do not overlap when the engaging portion 4 is attached to the bracket 5, making it difficult to insert the bolt 8 or forcibly inserting the insertion hole 3. , 6, the hose 1 is twisted.

[0007]

In order to solve the above problems SUMMARY OF THE INVENTION The present invention provides intermediate sleeve made of a plate-shaped engagement portion protruding to an radial <br/> direction from the cylindrical sleeve and the sleeve A method of manufacturing a hose comprising a plurality of hoses attached to a hose at intervals with a step of inserting one intermediate fitting through a sleeve of the hose and fixing the sleeve to the outer periphery of the hose by caulking the sleeve; and Part of the hose is gripped in parallel with
A grip portion that extends from one end of the grip portion in the longitudinal direction.
The intermediate metal fixed with one end on the grip portion side as a positioning position
Guide groove into which the plate-shaped engaging portion of the tool is inserted and guided
A first guide portion having a first guide portion and the other end side of the first guide portion.
Is integrally fixed to the other end of the grip portion and extends in the longitudinal direction.
And a predetermined angle around the axis of the first guide groove and the hose.
And the plate-shaped engaging portion of the other intermediate fitting is inserted.
A jig provided with a second guide portion having a second guide groove is used.
After inserting the hose through the sleeve of the other intermediate fitting,
Insert the crimped engaging portion of the intermediate fitting into the first guide groove.
The hose with the handle
And the engaging portion of the other intermediate metal fitting.
The insert in the second guide groove, so that the relative angle <br/> the engagement portion of the other intermediate brackets or crimped said intermediate sleeve engaging portion having a predetermined angle around the axis of the hose A step of holding the jig, and a step of caulking a sleeve of the other intermediate fitting with the jig attached to fix the other intermediate fitting to the outer periphery of the hose.

[0008]

According to the method of manufacturing a hose of the present invention, a plurality of intermediate fittings can be easily and accurately attached to the outer periphery of the hose at a predetermined relative angle, thereby manufacturing a hose. After one intermediate fitting is fixed to the hose by caulking, the other intermediate fitting is inserted into the hose, and the relative angle between the engaging portions of the two intermediate fittings is held at a predetermined angle using a specific jig. . In this state, the other intermediate fittings are fixed to the hose by caulking, so that a hose in which a plurality of intermediate fittings are attached at an accurate relative angle can be easily manufactured.

[0009]

【Example】

(First Embodiment) A first embodiment of the method of manufacturing a hose according to the present invention will be described with reference to the process charts shown in FIGS. In this embodiment, the intermediate fitting 10 shown in FIGS.
The present invention relates to a method for manufacturing the hose 1 when the hose 1 is attached to the outer periphery of the hose 1 so that the relative angle is 0 °.

First, as shown in FIG. 1, a positioning clip 20 is detachably mounted at a position adjacent to a position where one intermediate fitting 10A is mounted. Clip 20
The diameter of the cylindrical portion 22 is widened by picking the two knobs 21 with fingers, and when the finger is released from the knobs 21, the diameter of the cylindrical portion 22 contracts and is fixed by tightening the outer periphery of the hose 1. is there.

After the clip 20 is attached, one intermediate fitting 10A is inserted into the hose 1 so that the sleeve 4 faces the clip 20. At this time, since the sleeve 2 of the one intermediate fitting 10A is in a state before caulking, it has an inner diameter slightly larger than the outer diameter of the hose 1. Next, as shown in FIG. 2, the tip of the sleeve 2 of one intermediate fitting 10 </ b> A is brought into contact with the clip 20, and the sleeve 2 is arranged between the dies 24 and 25. At this time, one intermediate fitting 10A
The rear surface of the engaging portion 4A is pressed by the loader 23 so as to not move. In this state, the worker compresses the sleeve 2 in the radial direction by driving the caulking dies 24 and 25 while holding and supporting the hose 1 by hand, and fixes the sleeve 2 to the outer periphery of the hose 1.

Next, as shown in FIG.
0B is inserted into the hose 1 such that the engaging portion 4B faces the engaging portion 4A of the one intermediate fitting 10A. Then, the clip 20 is mounted at a position adjacent to the mounting position of the other intermediate fitting 10B. The sleeve 2 is loosely fitted to the hose 1 because it is in a state before caulking, and is freely rotatable around the hose 1.

Next, as shown in FIG. 4, the relative angle between the two intermediate metal fittings 10A and 10B is determined using a specific caulking jig 100. The caulking jig 100 has a configuration shown in a plan view in FIG. 6 and a side view in FIG. 7. Here, the configuration of the caulking jig will be described. In this caulking jig 100, two prismatic rods 11 and 12 having the same length are arranged in parallel with a predetermined interval, and a thin flat positioning plate 13 is attached to one end of both rods 11 and 12. A flat plate 14 having a length that can be gripped by hand is fixed to the lower surfaces of the other ends of both rods 11 and 12.

One linearly continuous groove is formed between the two bars 11 and 12, and the center of the groove (the flat plate 1) is formed.
4 (between the front side 14a and a predetermined length in the front) is the first guide groove 15, and the portion of the both bars 11, 12 that forms the first guide groove 15 is the first guide portion 17. .
Also, the positioning plate 1 is positioned from the front of the first guide groove 15 of the groove.
The portion up to 3 is the second guide groove 16, and the two rods 11,
The portion forming the second guide groove 16 in the portion 12 is the second guide portion 18. The portion to which the flat plate 14 is attached is a grip 19. The rods 11 and 12, the positioning plate 13, and the flat plate 14 can be used by appropriately selecting materials such as wood, metal, and synthetic resin.

The width of the first guide groove 15 is set such that the engaging portion 4 of the intermediate metal fitting 10 shown in FIGS. The width of the second guide groove 16 is
It is the same as the width of the first guide groove 15. This is because the width of the engaging portion 4 of the intermediate metal fitting 10 is the same. Therefore,
When the width of the intermediate metal fitting 10 attached to the hose 1 is different between adjacent parts, the first guide groove 1
5 and the width of the second guide groove 16 are set.
The widths of 5 and 16 will be different.

Further, since the caulking jig 100 holds the relative angle of the engaging portions 4 of the adjacent intermediate metal fittings 10 at 0 °, the depth direction of the first guide groove 15 (in FIG. 7). 7) and the depth direction of the second guide groove 16 (see FIG.
Also, the relative angle with respect to the middle vertical direction is set to 0 °.
Therefore, the first guide portion 17 and the second guide portion 18 are formed linearly and continuously.

Referring back to FIG. The first guide groove 15 of the jig 100 is fitted to the engaging portion 4A of one intermediate fitting 10A, and the second guide groove 16 is fitted to the other intermediate fitting 1.
0B is fitted to the engaging portion 4B. At this time, the grip 19
The flat plate 14 becomes the lower surface, and the flat plate 14 is brought into contact with the sleeve 2 of the one intermediate fitting 10A, and the engaging portion 4A of the one intermediate fitting 10A is brought into contact with the front side 14a of the flat plate 14.

Then, as shown in FIG. 5, another intermediate fitting 10B is slid around the outer periphery of the hose 1, the tip of the sleeve 2 is brought into contact with the clip 20, and the sleeve 2 is arranged between the swaging dies 24 and 25. I do. Further, the rear surface of the engaging portion 4B is pressed by the loader 23 to fix the other intermediate fitting 10B so as not to move. Next, the caulking jig 100 is pulled to the left in the drawing, and the positioning plate 13 is brought into contact with the engaging portion 4B. This is to prevent the swaging jig 100 from interfering with the driving of the swaging dies 24 and 25.

In this state, the worker holds the grip portion 19 together with the hose 1 (in this case, the sleeve 2 of the intermediate metal fitting 10A is also included), and presses the sleeve 2 in the radial direction with the caulking dies 24 and 25. It is compressed and fixed to the outer periphery of the hose 1. Thereafter, if the caulking jig 100 is removed, the other intermediate fitting 10B is fixed to a predetermined position of the hose 1, and the relative angle with the one intermediate fitting 10A is set to exactly 0 °.

The front side 1 of the positioning plate 13 and the flat plate 14
4a, one intermediate fitting 10A and another intermediate fitting 1
5, when the sleeve 2 of the other intermediate metal fitting 10 </ b> B is brought into contact with the clip 20 in FIG. 5, the engaging portion 4 </ b> B comes into contact with the positioning plate 13. Since it is in contact, the labor of pulling the caulking jig 100 backward can be omitted.

As described above, according to the hose manufacturing method of the present embodiment, the relative angle between the two adjacent intermediate fittings 10A and 10B is accurately set to 0 ° by a simple operation by using the caulking jig 100. The hose 1 can be manufactured, and the working time can be shortened as compared with the case where the relative angle is determined visually. Second Embodiment Next, as a second embodiment of the present invention, FIG.
2 and the intermediate bracket 10 shown in FIG.
° shows a method of manufacturing the hose 1 attached so as to be in degrees.

The method of the present embodiment comprises the respective steps shown in FIGS. 1 to 5 as in the first embodiment. However, instead of the caulking jig 100 appearing in FIG. 4 and FIG.
FIG. 9 is a plan view, and FIG.
Is different. In this caulking jig 200, two prismatic rods 31b, 32b of the same length are arranged in parallel at a predetermined interval, and a thin flat positioning plate 13 is attached to one end of both rods 31b, 32b. On the lower surfaces of the other ends of both the rods 31b and 32b, rectangular rods 31c and 32c having a short length and the same length are fixed vertically. On the rear surfaces of the lower ends of the bars 31c and 32c (the left side in the drawing is the rear), prismatic bars 31a and 32a shorter than the bars 31b and 32b and having the same length are formed on the bars 31b and 32b. It is fixed so as to be parallel. Also, the bar 31b,
A flat plate 34 having a length that can be gripped by hand is fixed to the lower surface of the rear part of the base 32b.

A linear groove formed between the bars 31a, 32a is a first guide groove 35, and the other bars 31b, 3
2b is the second guide groove 3
6. The portion forming the first guide groove 35 is the first
The portion forming the second guide groove 36 (the portion forward from the front side 34 a of the flat plate 34) is the second guide portion 38. The portion to which the flat plate 34 is attached is a grip 39. Similarly to the first embodiment, the width of the first guide groove 35 and the second guide groove 36 is set to a width which can clamp the engaging portion 4 of the intermediate fitting 10 shown in FIGS. Is set. Bar 31a,
The materials 32a, 31b, 32b, 31c, 32c, the positioning plate 33, and the flat plate 34 can be appropriately selected from wood, metal, synthetic resin, and the like.

Since the caulking jig 200 holds the relative angles of the engaging portions 4A and 4B of the adjacent intermediate fittings 10A and 10B at 180 °, the first guide groove 3 is provided.
5 (vertical direction in FIG. 9) and the second guide groove 36.
Is 180 degrees relative to the depth direction (vertical direction in FIG. 9).
° (a direction opposite to the axis of the hose 1 by 180 °).

Therefore, in the step of determining the relative angle between the two intermediate metal fittings 10A and 10B using the above-described caulking jig 200, the first guide groove 35 is formed as shown in FIG. An operation of fitting the second guide groove 36 to the engaging portion 4B of the other intermediate fitting 10B is performed by fitting the fitting into the engaging part 4A of one intermediate fitting 10A. At this time, the grip 39
So that the flat plate 34 becomes the lower surface.

Then, similarly to FIG. 5, the other intermediate fitting 10
In a state in which B is slid around the outer periphery of the hose 1 and the end of the sleeve 2 is in contact with the clip 20, the sleeve 2 is radially compressed by the caulking dies 24 and 25 while holding the grip portion 39 together with the hose 1. To the outer periphery of the hose 1. After that, if the caulking jig 200 is removed, the other intermediate fittings 1
0B is fixed to a predetermined position of the hose 1, and the relative angle with respect to one intermediate fitting 10A is set to exactly 180 °.

As described above, according to the present embodiment, by using the above-described caulking jig 200, two adjacent ones can be easily operated.
The relative angle between the two intermediate fittings 10A and 10B is exactly 180
° hose 1 can be manufactured. Third Embodiment Next, as a third embodiment of the present invention, FIG.
2 and the intermediate bracket 10 shown in FIG.
The manufacturing method of the hose 1 attached so as to be as follows.

The method of this embodiment comprises the steps shown in FIGS. 1 to 5 as in the first embodiment. However, instead of the caulking jig 100 appearing in FIGS.
0 is a plan view, and FIG. 11 is a side view of a caulking jig 3 shown in a side view.
The difference is that 00 is used. In this caulking jig 300, two prismatic rods 41b and 41a having different lengths are arranged in parallel with a predetermined interval, and a thin flat positioning plate 43 is provided at one end of both rods 41b and 41a. Which is erected,
Between the other end of the short bar member 41b and the side surface of the long bar member 41a, a short prismatic bar member 41c is erected and fixed. A short prismatic bar 42c is vertically fixed to the lower surface of the long bar 41a at the position where the bar 41c is fixed. Further, a short prismatic bar 42a extends in parallel with the long bar 41a on the rear surface of the lower end of the bar 42c, and the rear of the bar 41b and the lower surface of the center of the bar 41a can be gripped by hand. A flat plate 44 having a length is fixed.

A linear groove formed between the rods 41a and 42a is a first guide groove 45, and a linear groove formed between the rods 41b and 41a is a second guide groove. 46. The portion forming the first guide groove 45 is the first guide portion 47, and the portion forming the second guide groove 46 (the portion forward from the front side 44a of the flat plate 44) is the second guide portion 47.
The guide section 48. The portion to which the flat plate 44 is attached is a grip 49. As in the first embodiment, the width of the first guide groove 45 and the width of the second guide groove 46 are set such that the engaging portion 4 of the intermediate fitting 10 shown in FIGS. Is set. Rod material 41a,
42a, 42b, 41c, 42c and positioning plate 43
And the flat plate 44 can be used by appropriately selecting materials such as wood, metal, and synthetic resin.

Since the caulking jig 300 holds the relative angle between the engaging portions 4A and 4B of the adjacent intermediate fittings 10A and 10B at 90 °, the first guide groove 45 is provided.
In the depth direction (vertical direction in FIG. 10) and the second guide groove 46.
Is also 90 ° relative to the depth direction (vertical direction in FIG. 11).
° is set. Therefore, the above-mentioned caulking jig 300
In the step of determining the relative angle between the two intermediate fittings 10A and 10B by using the first guide groove 45 as shown in FIG. 11 by an imaginary line in FIG. The second guide groove 46 is fitted to the other intermediate fitting 1
An operation of fitting the engaging portion 4B into the engaging portion 4B is performed. At this time,
The flat plate 44 of the grip portion 49 is set to the lower surface. Then, the other intermediate fitting 10B is slid on the outer periphery of the hose 1 so that the tip of the sleeve 2 abuts on the clip 20, and the other intermediate fitting 10B is caulked in the process of FIG. As a result, the other intermediate fitting 10B is fixed to the determined position of the hose 1, and the relative angle with respect to the one intermediate fitting 10A is accurately set to 90 °.

In the above description, the two intermediate fittings 10A,
If the relative angle of 10B is 0 °, 180 °, 9
Although the embodiments in the case of 0 ° have been described, it is needless to say that the present invention can be applied to other relative angles. This is done by using the first guide groove and the second guide groove of the caulking jig set at corresponding angles, as shown in FIGS.
This can be realized by performing the above steps.

The position of the grip portion 19 of the caulking jig 100 used in the first embodiment may be provided between the first guide portion 17 and the second guide portion 18, or may be provided in the second and third embodiments. The grips 39, 49 of the caulking jigs 200, 300 used in the example may be provided behind the first guides 37, 47. Further, the bar material constituting the caulking jig is not limited to a prismatic shape, but may be another shape such as a round bar shape.

Further, it goes without saying that the present invention is applicable not only to brake hoses for automobiles but also to other hose manufacturing methods.

[0034]

As described in detail above, in the method of manufacturing a hose according to the present invention, one intermediate fitting is fixed to the hose by caulking, then the other intermediate fitting is inserted into the hose, and a specific jig is inserted. Is used to hold the relative angle between the engaging portions of the two intermediate fittings at a predetermined angle, and in this state, the other intermediate fittings are fixed to the hose by caulking, so that the plurality of intermediate fittings have an accurate relative angle. The hose attached with the above can be easily manufactured.

Therefore, conventionally, when a method of manually determining the relative angle of the intermediate fitting was used, a hose in which the relative angle of the intermediate fitting was inaccurate was sometimes produced, but according to the present invention, a hose was produced. Since the intermediate fitting is attached to the hose at an accurate relative angle, it is difficult to attach the engaging part of the intermediate fitting attached to the hose to the bracket, or the hose is twisted. There is an advantage that mounting work can be performed quickly without the need.

[Brief description of the drawings]

FIG. 1 is a process diagram of inserting one intermediate fitting into a hose.

FIG. 2 is a process diagram of a caulking operation of one intermediate fitting.

FIG. 3 is a process diagram of inserting another intermediate fitting into a hose.

FIG. 4 is a process diagram for determining a relative angle by a specific caulking jig.

FIG. 5 is a process diagram of performing a caulking operation of another intermediate fitting using the caulking jig.

FIG. 6 is a plan view showing a configuration of a caulking jig used in the first embodiment of the present invention.

FIG. 7 is a side view of the caulking jig.

FIG. 8 is a plan view showing a configuration of a caulking jig used in a second embodiment of the present invention.

FIG. 9 is a side view of the caulking jig.

FIG. 10 is a plan view showing a configuration of a caulking jig used in a third embodiment of the present invention.

FIG. 11 is a side view of the caulking jig.

FIG. 12 is a side view showing a state where the intermediate metal fitting is attached to the bracket.

FIG. 13 is a perspective view showing a state in which two intermediate fittings are attached to a hose at a relative angle of 0 ° together with a bracket.

FIG. 14 is a perspective view showing a state in which two intermediate fittings are attached to a hose at a relative angle of 180 °.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hose 2 ... Sleeve 4, 4A, 4B ... Engaging part 5 ... Bracket 10 ... Middle fitting 10A ... One middle fitting 10B ...
Other intermediate fittings 11, 12, 31a, 32a, 31b, 32b, 31
c, 32c, 41a, 42a, 41b, 41c, 42c ... Bars 13, 33, 4
3 positioning plate 14, 34, 44 flat plate 15, 35, 45 first guide groove 16, 36, 46 second guide groove 17, 37, 47
... first guide portions 18, 38, 48 ... second guide portions 19, 39, 49
… Grip part 100,200,300… Crimping jig

Claims (1)

(57) [Claims] 1. A middle bracket comprising a cylindrical sleeve and a plate-shaped engagement portion protruding to an radial <br/> direction from the sleeve, the hose comprising mounting a plurality at a distance to the hose In the manufacturing method, a step of inserting one intermediate fitting into a hose through a sleeve and fixing the intermediate fitting to the outer periphery of the hose by caulking the sleeve, and a grip portion in which a part of the hose is gripped in parallel with the hose
And one end of the grip portion extending in the longitudinal direction from one end of the grip portion.
A plate-like engagement of the intermediate fitting fixed with the end as a positioning position
A first guide groove having a first guide groove into which the joint portion is inserted and guided
And the other end of the first guide portion or the grip portion.
The first gas is fixed integrally to the other end and extends in the longitudinal direction.
Open at a predetermined angle around the axis of the id groove and the hose.
Second guide groove into which the plate-shaped engaging portion of the intermediate fitting is inserted
Using a jig provided with a second guide portion having
After inserting the hose through the sleeve of the bracket, it was caulked
Inserting the engaging portion of the intermediate fitting into the first guide groove,
With the hose aligned with the determined position,
The second guide is held by the second guide
Insert the de groove, Kashimera the engagement portion of the other intermediate brackets
A step of relative angle is held to have a predetermined angle around the axis of the hose for engagement portion of said intermediate sleeve which, while wearing the jig, by caulking the sleeve of other intermediate brackets Fixing the intermediate fitting to the outer periphery of the hose.